biology review ch. 16-17

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animals

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essay opts: 1. types of symmetry and examples; 2. characteristics of mammals and what makes them mammals..................also dont forget to study 16.4 and 17.1-17.2

58 Terms

1

animals

living organisms that move from place to place in its environment

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2

motile

can move their bodies from place to place

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3

sessile

describes an animal unable to move from place to place

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4

symmetry

property of being able to be cut into identical halves

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5

bilateral symmetry

form of symmetry in which an object can be cut into identical halves along only one plane; God also used this basic design to make most animals

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6

radial symmetry

form of symmetry in which an object can be cut into identical halves along several planes

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7

asymmetric

“without symmetry”

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8

starfish

what is an example of asymmetry?

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9

invertebrates

animals without a backbone

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10

vertebrates

animals with a backbone

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11

endoskeleton

the internal framework or skeleton

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12

tetrapods

animals with four appendages or limbs attached by special bones to the body at the hips and shoulders

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13

mammals

the most familiar and the most dominant group of vertebrates on the earth

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14
  1. lungs

  2. four-chambered

  3. warm

  4. hair

  5. mammary glands

  1. two

  2. seven

fill in the blank

all mammals breathe air using ______, and all have a ____-_______ heart, are _____-blooded, have _____, and are provided with __________ _______ for producing milk

most have _____ pairs of limbs and ______ neck vertebrae

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15

homeothermic

“maintaining the same temperature”

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16

diaphragm

muscle that separates the body cavity into two main areas—abdominal and thoracic

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17

hibernation

form of dormancy in which a warm-blooded animal’s body temperature falls to near the freezing point and respiration and heart rate slow down

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18

mammary glands

specialized epithelial cells that produce milk

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19

man was created in God’s image

what is the difference of man and mammals?

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20

placenta

formed from the tissues of both the young and the mother

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21

placental mammal

mammal whose developing young are nourished by a placenta until birth

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22

gestation period

the entire period of growth from fertilization to birth

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23

viviparous

giving birth to live young

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24

oviparous

egg laying

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25

tubed teeth

what does tubulidentata mean?

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26

aardvark

the only species in tubulidentata

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27
  • platypus

  • echidna

what are the only two oviparous mammals

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28

monotremata

what order are the echidna and platypus?

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29

sirenia

what order are sea cows in?

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30

tusks

made of ivory; enlarged incisor teeth

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31

proboscidea

what order are elephants?

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32

xenarthra

means “strange joints”; order of armadillos, sloths, and anteaters

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33

strange joints

what does xenarthra mean?

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34

armadillo

“little armored one”

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35

giant anteater

the largest anteater

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36

ai

the slowest land mammal

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37

pangolin

scaly anteater

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38

marsupium

abdominal pouch

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39

opossums

the only marsupials outside australia and the surrounding islands

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40

marsupial

pouched mammals

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41

koala

the animal with the most confining diet;  eats only the buds and leaves of the eucalyptus, an evergreen tree native to australia

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42

insectivore

gets its name from the insect-eating habits of its members

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43

moles

live almost exclusively underground; burrow and tunnel close to the surface, searching for their favorite food, earthworms;  also eat insects and other small invertebrates; uses its keen senses of smell and hearing; the snout is used to push and shove up the earth within the tunnel while the animal digs with its short, clawed limbs

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44

bats

the flying mammals; their fingers are greatly elongated; fly and feed at night

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45

chiroptera

what order are flying mammals?

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46

echolocation

what system do bats use?

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47

blue whale

the world’s largest animal

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48

apes

primates without tails

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49

chimpanzee

one of the best-known apes; considered to be the most intelligent of the apes and is probably the most intelligent animal

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50

new world monkeys

have a prehensile tail; live in the tropical forests of central and south america

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51

madagascar

where do lemurs live?

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52

rodents

the small gnawing mammals that have two pairs of sharp, chisel-like incisor teeth

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53

sanitation

fill in the blank

the best method of rat control is ____________

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54

flying lemurs

the longest-gliding mammal; nocturnal animals of the tropical jungles of malaysia, thailand, borneo, java, and the philippines

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55

pika

most unusual lagomorph because it is very small, about 18 cm (7 in) in length; it has short ears and looks more like a guinea pig than a rabbit

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56

lagomorpha

what order are hare-like mammals?

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57
  • rabbit

  • hare

  • pika

what are some examples of lagomorpha?

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58

hyrax

also called a coney

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